Home / 19,807.50-27,334.35-11,850.06

Finding the Fourth Proportional to 19,807.50, 27,334.35 and 11,850.06

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Solution

The fourth proportional to 19,807.50, 27,334.35 and 11,850.06 is: 16,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.50 : 27,334.35 = 11,850.06 : x
  2. Step 2: Convert to fraction form
    19,807.50/27,334.35 = 11,850.06/x
  3. Step 3: Cross multiply
    19,807.50x = 27,334.35 × 11,850.06
  4. Step 4: Simplify right side
    19,807.50x = 323,913,687.56
  5. Step 5: Solve for x
    x = 323,913,687.56/19,807.50
  6. Step 6: Final answer
    x = 16,353.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.